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樓主  發(fā)表于: 2011-04-21 12:34
請高手賜教怎么改變步進(jìn)電機的轉速問(wèn)題，是不是步進(jìn)電機的速度取決于脈沖的頻率？
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1樓  發(fā)表于: 2011-04-22 15:53

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